Science News

View more issues: July 7, 2007, July 14, 2007, July 28, 2007

Articles in July 21, 2007, issue of Science News

• Chemical conversation: red blood cells send a signal that makes platelets less sticky
  by S. Webb
• Ingenium: Five Machines That Changed the World
• The power of induction: cutting the last cord could resonate with our increasingly gadget-dependent lives
  by Davide Castelvecchi
• Neptune's Ark: From Ichthyosaurs to Orcas
• Mathematical lives of plants: why plants grow in geometrically curious patterns
  by Julie J. Rehmeyer
• Crocodile: Evolution's Greatest Survivor
• Brain stem cells help Parkinson's monkeys
• The World of the Vikings
• AIDS abated; genome scans illuminate immune control of HIV
  by B. Vastag
• Alcohol problems hit nearly 1 in 3 adults
• fryPod: lightning strikes iPod users
• Birth of an island: megaflood severed Europe from Britain
  by S. Perkins
• Hyperion's hydrocarbons
• Tea to a fit
  by James C. Matthews
• Persistent prions: soilbound agents are more potent
  by C. Barry
• Double-decker solar cell
• Check on checkers: in perfect game, there's no winner
  by J. Rehmeyer
• Crystal matchmaker
• The Telescope: Its History, Technology, and Future
• Den mothers: bears shift dens as ice deteriorates
  by S. Milius
• Quantum leak?
  by Michael D. Meloy
• Brain seasoning: a common spice could deter Alzheimer's
  by P. Barry
• Good bugs, bad bugs
  by Terry Moore